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    • 6. 发明专利
    • JPH05289878A
    • 1993-11-05
    • JP11958192
    • 1992-04-14
    • OMRON TATEISI ELECTRONICS CO
    • YAKURA TOKUMASAFUJII TORUUSHIDA HIROHIDETSUTSUMI YASUHIROIRIE ATSUSHI
    • G06F9/44
    • PURPOSE:To quicken a processing time and to decrease the capacity of a memory even if a variable, etc., increase by crisping a membership function. CONSTITUTION:From given sample data, its distributing state is derived, and from its distributing state, a membership function is set, and also, an output of a knowledge setting device 2 for generating a fuzzy rule is sent to a fuzzy inference device 3, a fuzzy inference is executed to sample data Xi therein, and its inference result Yi is sent to an output threshold determining device 4. Also, in this device 4, an output threshold THETAo by which a rate of erroneous discrimination decreases to the utmost at the time of categorizing a result of inference is derived, and it is sent to a discrimination rule determining device 5. In this device 5, an input threshold THETAi of each variable of an input is derived from its output threshold and the membership function, and from its input threshold, a discrimination rule consisting of a crisp function is generated, and fussiness is crisped.
    • 7. 发明专利
    • BANG-BANG CONTROLLER
    • JPH05224702A
    • 1993-09-03
    • JP5914592
    • 1992-02-14
    • OMRON TATEISI ELECTRONICS CO
    • TSUTSUMI YASUHIRO
    • G05B13/02
    • PURPOSE:To ensure the identification at a high speed and with a reduced error for the constant of a motor to be actually controlled in its operation mode. CONSTITUTION:In regard of a motor 1, two manipulated variables are properly controlled by switching over at each time by two instruction signals received from a manipulated variable switch means 3. Then the rotational angle theta(t) of the driven motor 1 is detected and stored by a controlled variable storage means 5 which is connected to the motor 1. A dynamic characteristic parameter calculation means 6 is connected to the means 5 to calculate the ratio between the inertia and the coefficient of viscous friction and the ratio between the steady gain and the coefficient of viscous friction of the motor 1 respectively from the rotational angle and by the approximate calculation. Furthermore the output of the means 6 is inputted to a switching time calculation means 7 so that the switching time of the manipulated variables is calculated based on bath ratios calculated by the means 6. Then the calculated switching time is sent to the means 3 and the bang-bang control is attained for the motor 1.